The Net
그물 (original)
A poor North Korean fisherman finds himself an accidental defector, and is groomed to be a spy by an ambitious South Korean military officer.
Starring Ryoo Seung-bum, Lee Won-keun, Kim Young-min, Choi Gwi-hwa, Lee Na-ra, Kim Su-an, Jeong Ha-dam, Sung Hyun-ah, Kang Bo-min
Watch "The Net" from streaming services Imdb TV (Prime), Imdb TV, Amazon released in 2016. It's a drama and action & adventure movie, and has a rating of 7.3 out of 10 from Imdb which is usually fine for this kind of movie.